[Tigers] Distributor continued

Tom Witt atwittsend at verizon.net
Fri May 26 17:24:42 MDT 2017


No, don’t do that. The shaft may not move and you will alter the timing (as it relates to the original position)! I just feel uncomfortable advising the movement of gears that aren't properly meshed. Not saying others haven’t done that but I’d rather be cautious.  When I stated you will not lose timing I was referring to the rotation of the oil pump shaft – only. The oil pump itself doesn’t matter to any timing relationship. It just needs to be indexed to the distributor (hex) so it can turn.  The camshaft is turned by the crank via the timing chain. The camshaft gear turns the distributor gear and the hex shaft (from the bottom of the distributor) turns to oil pump.   

From: Stu 
Sent: Friday, May 26, 2017 3:29 PM
To: Tom Witt 
Cc: Tiger Net 
Subject: Re: [Tigers] Distributor continued

Hmmm... since the gear is at least partly engaged, I should be able to rotate the engine a bit and not loose timing, right?  So if I put it in 4th and pushed the car back and forth making minor adjustments to the rotor position, shouldn't I be able to eventually match the alignment of the pump shaft?

Stu

On Fri, May 26, 2017 at 6:14 PM, Tom Witt <atwittsend at verizon.net> wrote:

  You are correct. The hex drive shaft for the oil pump is not lining up with the distributor. There are no timing issues with the oil pump so just rotate the hex shaft as needed (it is a guessing game – a little this way, a little that way). Whatever you can get down on the shaft will do.  Just be careful not to lift the shaft (which has been known to happen if you use a socket on a long extension). Otherwise you will then have to get the shaft back into the oil pump.

  From: Stu via Tigers 
  Sent: Friday, May 26, 2017 12:00 PM
  To: Tiger Net 
  Subject: [Tigers] Distributor continued

  Ok, I got the distributor out, cleaned everything up, and went to put it back in.  Problem.  It will only go all the way down with the gear one tooth off from where it came out.  If I start putting it in with the rotor pointing where it stopped as I pulled it out, the gear engages and it looks like it will rotate into the right position, but it won't go down all the way.  If I start with it one tooth ccw, it goes in just fine, but the rotor is not in the original position.  I took a "before" picture before I pulled it out, so I know where the rotor was pointing.

  Nothing has moved,  the tranny is in neutral, no power on at all.  I'm assuming that this must relate to the oil pump drive not engaging.  What do I do now?

  Stu

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